Comment 22 for bug 703009

Colin Watson (cjwatson) wrote :

Most of the people affected by this bug are probably trying to do a recovery install of GRUB from a live CD. The simple workaround (and, in my view, the correct way to perform a recovery install!) is to chroot into the system you're trying to recover before reinstalling GRUB:

  https://help.ubuntu.com/community/Grub2#METHOD%203%20-%20CHROOT

That's not to say that we couldn't handle this better, but I think almost everyone affected by this should have a workaround.